[ http://issues.apache.org/jira/browse/TAPESTRY-896?page=all ]
Jesse Kuhnert resolved TAPESTRY-896:
------------------------------------
Fix Version: 4.0.1
Resolution: Fixed
Assign To: Jesse Kuhnert
Added hivemind Defense check to incoming type parameter.
> using <component id="x" copy-of="x"> throws NullPointerException
> ----------------------------------------------------------------
>
> Key: TAPESTRY-896
> URL: http://issues.apache.org/jira/browse/TAPESTRY-896
> Project: Tapestry
> Type: Bug
> Components: Framework
> Versions: 4.0
> Reporter: Ron Piterman
> Assignee: Jesse Kuhnert
> Priority: Minor
> Fix For: 4.0.1
>
> When the copy-of is the same as the id, tapestry does not detect the problem,
> but a NullPointerException is thrown on
> #
> org.apache.tapestry.resolver.ComponentSpecificationResolverImpl.resolve(ComponentSpecificationResolverImpl.java:95)
> #
> $ComponentSpecificationResolver_10a31b1a2d5.resolve($ComponentSpecificationResolver_10a31b1a2d5.java)
> #
> $ComponentSpecificationResolver_10a31b1a2d6.resolve($ComponentSpecificationResolver_10a31b1a2d6.java)
> #
> org.apache.tapestry.pageload.PageLoader.constructComponent(PageLoader.java:393)
> # org.apache.tapestry.pageload.PageLoader.loadPage(PageLoader.java:613)
> # $IPageLoader_10a31b1a2c3.loadPage($IPageLoader_10a31b1a2c3.java)
> # $IPageLoader_10a31b1a2c4.loadPage($IPageLoader_10a31b1a2c4.java)
> # org.apache.tapestry.pageload.PageSource.getPage(PageSource.java:120)
> # $IPageSource_10a31b1a216.getPage($IPageSource_10a31b1a216.java)
> # $IPageSource_10a31b1a215.getPage($IPageSource_10a31b1a215.java)
> # org.apache.tapestry.engine.RequestCycle.loadPage(RequestCycle.java:268)
> # org.apache.tapestry.engine.RequestCycle.getPage(RequestCycle.java:251)
> ...
> maybe a check should be added somewhere, then again, maybe its very rair that
> someone makes this typo...
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